Snow Squalls in the Northeast U.S. on Thursday; Heavy Rain Along the Gulf Coast

An arctic cold front will move through the Great Lakes and Northeast on Thursday, bringing moderate to heavy snow, strong winds, and possible whiteout conditions through Thursday afternoon. A storm system interacting with Gulf moisture will bring moderate to heavy rainfall to the western and central Gulf Coast on Thursday. Isolated instances of flash flooding will be possible. Read More >

For More Weather Information:

Key West, FL Local Forecast Office

3NM SSW Alligator Reef Light FL

Marine Point Forecast

[NOTICE]

Overnight
Low: 73 °F
NE 10kt
1ft
Thursday
High: 79 °F
ENE 15kt
2ft
Thursday Night
Low: 74 °F
ENE 15kt
2ft
Friday
High: 80 °F
ESE 10kt
2ft
Friday Night
Low: 76 °F
ESE 10kt
2ft
Saturday
High: 80 °F
SE 10kt
1ft
Saturday Night
Low: 76 °F
SE 10kt
1-2ft
Sunday
High: 81 °F
SSW 10kt
1-2ft
Sunday Night
Low: 72 °F
W 10kt
1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 10:15 pm CST Dec 3, 2025
Forecast Valid: 11pm CST Dec 3, 2025-6pm CST Dec 10, 2025

View Nearby Observations

Detailed Forecast

Overnight

NE wind 5 to 10 kt. Partly cloudy. Seas around 1 ft.

Thursday

ENE wind 10 to 15 kt. Mostly sunny. Seas around 2 ft.

Thursday Night

ENE wind around 15 kt. Partly cloudy. Seas around 2 ft.

Friday

ESE wind around 10 kt. Mostly sunny. Seas around 2 ft.

Friday Night

ESE wind around 10 kt. Partly cloudy. Seas around 2 ft.

Saturday

SE wind around 10 kt. Isolated showers. Seas around 1 ft.

Saturday Night

SE wind around 10 kt. Isolated showers. Seas 1 to 2 ft.

Sunday

SSW wind around 10 kt becoming WSW in the afternoon. Scattered showers. Seas 1 to 2 ft.

Sunday Night

W wind around 10 kt. Scattered showers. Seas around 1 ft.

*Notices:

This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.